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NCP18XM472 Datasheet(PDF) 2 Page - Murata Manufacturing Co., Ltd. |
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NCP18XM472 Datasheet(HTML) 2 Page - Murata Manufacturing Co., Ltd. |
2 / 10 page Part Number Characteristics Resistance (at +25 °C) Sensing Temp. (at 4.7k ohm) Maximum Voltage Operating Temp. PRF15BA471QB1RC BA 470ohm ±50% 125 ±5°C 32VDC -20 to +140 °C PRF15BB471QB1RC PRF15BC471QB1RC BB BC 115 ±5°C 105 ±5°C -20 to +130 °C -20 to +120 °C What is a Thermistor? PRF15/18 Series Chip POSISTORr for Overheat Sensing PRF15 Series Characteristics Thermally Sensitive Resistor NTC Negative Temperature Coefficient Positive Temperature Coefficient PTC Thermistor Characteristics of Thermistors Resistance - Temperature Characteristics PTC Thermistor (POSISTORr) BaTiO 3 + X Ceramics NTC Thermistor Mn-Ni, Mn-Co-Cu, Mn-Ni + X Ceramics Log R T 2xR25 R25 25 Curie Point Log R T R25 25 PRF15/18 PTC Chip thermistors detect overheating of Hybrid ICs, Power Transistors, Power Diodes and Power ICs etc. 1. 0402 and 0603 light weight 2. High gain simplifies circuit design 3. Free of contact noise and problems 4. Pb free plated terminations. 5. Sturdy construction resists mechanical vibration and shock. R1 RL RE R2 PRF Thermal Contact Thermal Contact +Vcc GND Fan Motor Vref M PRF Comparator Power IC Control IC Example (in mm) Dimensions Electrode Construction Cross-sectional Nickel Barrier Sn Plating Ceramic PTC 0.1-0.4 1.0 ±0.05 0.5 ±0.05 0.5 ±0.05 New • This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. • This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. !Note R01E.pdf 06.1.25 |
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